RTOS/DRA745: VSDK0304: LINK ERR and NULL pointer dereference at virtual address 00000000

Tool/software: TI-RTOS

Dear all,

When I boot from ramdisk.gz, I encountered an issue:

 33.711675 s:  ENCODE: Creating CH0 of 2560 x 1440,  pitch = (4096, 4096) [1] [0], bitrate = 10000 Kbps ... 
[20190319 11:59:28][   27.389015] Unable to handle kernel NULL pointer dereference at virtual address 00000044.E.IVAHD.02.01.09.01
[20190319 11:59:28]
[20190319 11:59:28] [HOST] [IPU2  ]     33.962514 s:  ENCODE: ERROR: ALGCONTROL FAILED CMD=0x00000001 (status=ffffffff) !!!
[20190319 11:59:28] [HOST] [IPU2  ]     33.962605 s:  LINK ERR::linkID:900004f::channelID:0::errorCode:-5::FileName:iva[   27.401960] pgd = c2298000
[20190319 11:59:30][   27.422920] Unable to handle kernel NULL pointer dereference at virtual address 00000000

The full log as below:

1. Boot from SD ,no  Error. log as below:

sdboot.log

2. make ramdisk.gz, boot from ramdisk.gz, run error. log as below:

ramdisk_boot.log

Please help to check and give some comments.

Best Regards，

Fredy